| 年份 | 尼日尔 |
|---|---|
| 2023 | - |
| 2022 | 98.57亿 |
| 2021 | 93.01亿 |
| 2020 | 90.42亿 |
| 2019 | 85.89亿 |
| 2018 | 82.48亿 |
| 2017 | 77.39亿 |
| 2016 | 71.47亿 |
| 2015 | 65.21亿 |
| 2014 | 61.01亿 |
| 2013 | 59.8亿 |
| 2012 | 57.18亿 |
| 2011 | 53.21亿 |
| 2010 | 51.16亿 |
| 2009 | 48.03亿 |
| 2008 | 45.2亿 |
| 2007 | 45.18亿 |
| 2006 | 43.46亿 |
| 2005 | 41.8亿 |
| 2004 | 41.28亿 |
| 2003 | 39.85亿 |
| 2002 | 38.38亿 |
| 2001 | 36.54亿 |
| 2000 | 34.19亿 |
| 1999 | 34.64亿 |
| 1998 | 33.57亿 |
| 1997 | 32.61亿 |
| 1996 | 31.72亿 |
| 1995 | 32.69亿 |
| 1994 | 30.97亿 |
| 1993 | 30.35亿 |
| 1992 | 28.31亿 |
| 1991 | 29.93亿 |
| 1990 | 28.94亿 |
| 1989 | - |
| 1988 | - |
| 1987 | - |
| 1986 | - |
| 1985 | - |
| 1984 | - |
| 1983 | - |
| 1982 | - |
| 1981 | - |
| 1980 | - |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |